Platinum Investment Management’s Birkenstock BIRK Stock Holding History

Platinum Investment Management’s Portfolio BIRK Stock Details BIRK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$9.85M	Buy	275,000 +27,400	+11%	+$1.07M	2.48%	5
2025 Q4	$10.1M	Sell	247,600 -12,400	-5%	-$525K	2.34%	7
2025 Q3	$11.8M	Buy	260,000 +140,000	+117%	+$6.85M	0.76%	23
2025 Q2	$5.9M	Hold	120,000	–	–	0.39%	31
2025 Q1	$5.5M	Buy	120,000 +30,000	+33%	+$1.58M	0.32%	29
2024 Q4	$5.1M	Hold	90,000	–	–	0.3%	33
2024 Q3	$4.44M	Buy	+90,000	New	+$4.9M	0.2%	42

Other funds holding BIRK

CMC

Catterton Management Company Greenwich, Connecticut $4.33B AUM 14.37% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Platinum Investment Management's BIRK Position: Q1 2026 in Review

Platinum Investment Management increased its Birkenstock (BIRK) stake by 11% in Q1 2026, buying an estimated $1.07M and bringing the position to 275,000 shares worth $9.85M. The position accounts for 2.48% of the portfolio, ranked #5.

Platinum Investment Management first reported a position in BIRK in Q3 2024 and has held it in 7 quarters since. The position peaked at $11.8M in Q3 2025. 227 funds tracked by Wall St. Rank hold BIRK as of Q1 2026.

Platinum Investment Management held 275,000 shares of Birkenstock worth $9.85M as of Q1 2026.
Platinum Investment Management bought 27,400 Birkenstock shares in Q1 2026, an estimated $1.07M.
Birkenstock made up 2.48% of Platinum Investment Management's portfolio in Q1 2026, its #5 holding.
Platinum Investment Management first reported a position in Birkenstock in Q3 2024 and has held it in 7 quarters since.
Platinum Investment Management's Birkenstock position peaked at $11.8M in Q3 2025.
227 funds tracked by Wall St. Rank held Birkenstock as of Q1 2026.

Based on Platinum Investment Management's 13F filing for Q1 2026, filed 14 May 2026.